package com.itheima.servlet;

import com.itheima.service.BrandService;
import com.itheima.bean.Brand;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/selectBrandById")
public class SelectBrandById extends HttpServlet {

    private final BrandService brandService = new BrandService();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //根据id查找品牌对象
        String idStr = req.getParameter("id");
        //将字符串转为Integer
        int id = Integer.parseInt(idStr);
        Brand brand = brandService.selectBrandById(id);
        //将查找出来的品牌对象放入请求区
        req.setAttribute("brand",brand);
        //使用转发到修改品牌信息的页面
        req.getRequestDispatcher("update-brand.jsp").forward(req,resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doGet(req,resp);
    }
}
